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[5/5] xfrm: Increment statistic counter on inner mode error

Message ID 1446185790-24214-6-git-send-email-steffen.klassert@secunet.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Steffen Klassert Oct. 30, 2015, 6:16 a.m. UTC 
Increment the LINUX_MIB_XFRMINSTATEMODEERROR statistic counter
to notify about dropped packets if we fail to fetch a inner mode.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/xfrm/xfrm_input.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 60ce701..ad7f5b3 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -330,8 +330,10 @@  resume:
 
 		if (x->sel.family == AF_UNSPEC) {
 			inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
-			if (inner_mode == NULL)
+			if (inner_mode == NULL) {
+				XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR);
 				goto drop;
+			}
 		}
 
 		if (inner_mode->input(x, skb)) {